<How do I get specific information from a register...

# stackoverflow

[user]

How do I get specific information from a registered user and display it in my app in Kotlin with Firebase?
I'm new to Kotlin and Firebase, I want this to happen:
When a registered user logs in with his Email and Password, I want to display the Complete Name (User has to input complete name upon registering) connected to that Email in my dashboard (new activity), How do I do it?
Relevant Codes:
MainActivity.kt:
lateinit var auth: FirebaseAuth

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_login)

auth =...